Đinh Thị Mai Vinh., Trương Thị Ngọc Khánh., & Nguyễn Thị Tuyết, M. (1999). An investigation on some cultural differences in social contacts between Vietnam and some countries it has relations with. Đà Nẵng: [Đại học Đà Nẵng].
Chicago-tyylinen lähdeviittausĐinh Thị Mai Vinh., Trương Thị Ngọc Khánh, ja M.A. Nguyễn Thị Tuyết. An Investigation On Some Cultural Differences in Social Contacts between Vietnam and Some Countries It Has Relations With. Đà Nẵng: [Đại học Đà Nẵng], 1999.
MLA-viiteĐinh Thị Mai Vinh., Trương Thị Ngọc Khánh, ja M.A. Nguyễn Thị Tuyết. An Investigation On Some Cultural Differences in Social Contacts between Vietnam and Some Countries It Has Relations With. Đà Nẵng: [Đại học Đà Nẵng], 1999.
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